• Proceedings of the Korea Water Resources Association Conference
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• 2005.05b
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• pp.1317-1322
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• 2005

하수관거 설계시나 단지개발사업, 그리고 하수관거정비사업과 같이 오수처리시설의 적정 규모 결정을 위해서는 정확한 상수사용량 및 오수발생량 원단위가 요구되지만 국내의 경우 이러한 원단위에 대한 기초자료 부족과 자료의 신빙성 결여로 인해 적정 원단위를 결정하는데 어려움이 있다. 이러한 관점에서 단지개발이 이루어지는 도시에서는 도시의 규모, 입지조건, 기후조건, 생활양식 등 다양한 요인들이 고려된 오수발생패턴 및 발생량 조사가 필요하며, 조사된 원단위는 오수처리시설의 적정 규모 결정뿐 아니라 침입수/유입수 분석 및 하수관거정비에 대한 성과예측에도 활용될 수 있다. 본 연구에서는 현재 단지개발 및 하수관거정비사업이 진행중인 하남시의 표본이 될 수 있는 대표구역을 선정하고 그 지역에서 조사지역을 세부적으로 분류하여 각 지역별 오수발생특성을 분석하였다. 대상지역인 하남시는 총면적의 $97\%$가 자연녹지 및 생산녹지이며, 나머지 $3\%$는 일반주거지역 및 일반 상업지역으로 나뉜다. 그리고 도시계획상 공장지역으로 편성된 부분이 없어 앞으로도 하남시 대부분의 면적이 녹지와 주거/상업지역으로 구성될 것이다. 이러한 하남시의 특성을 고려하여 조사지역은 공장지역을 제외한 일반주거지역, 밀집주거지역, 영업지역으로 분류하였으며 이렇게 분류된 지역은 각각 오수발생패턴 및 오수농도에 대한 조사를 실시하여 오수발생특성을 분석하였고, 조사지역별 인구수 조사와 연계하여 원단위 자료를 추출하였다. 이렇게 조사된 자료들을 통해 침입수/유입수 분석에 요구되는 오수전환율, 야간생활하수량 비율을 산정하였으며, 차후 단지개발 및 관거정비 후에 발생하는 오수 발생특성과 비교분석을 통하여 하남시 지역의 오수발생특성에 대한 신뢰성 있는 자료로 활용될 것으로 기대된다. RMA2 모형을 이용하여 충주댐에서의 물의 흐름을 해석한 결과 옥순대교$\~$청풍대교 구간 사이에 댐 및 지형적 영향으로 인해 잘 발달된 와류가 하도 전체를 통하여 발생되고 있었고 이는 댐 부유물 정체현상이 나타나는 지점과 잘 일치하고 있었다.정함 후 감마분석에 의하여 구하였다. CF:CS 연령모델을 적용한 결과 깊이에 따른 supported $^{210}Pb$와 퇴적 속도는 0.91cm/year 인 것으로 산정 되었다.RS is a more advanced content-based image retrieval system than other systems which support only concepts or image features.방하는 것이 선계기준에 적합한 것으로 나타났다. 밸브 개폐에 따른 수압 변화를 모의한 결과 밸브 개폐도를 적절히 유지하여 필요수량의 확보 및 누수방지대책에 활용할 수 있을 것으로 판단된다.8R(mm)(r^2=0.84)$로 지수적으로 증가하는 경향을 나타내었다. 유거수량은 토성별로 양토를 1.0으로 기준할 때 사양토가 0.86으로 가장 작았고, 식양토 1.09, 식토 1.15로 평가되어 침투수에 비해 토성별 차이가 크게 나타났다. 이는 토성이 세립질일 수록 유거수의 저항이 작기 때문으로 생각된다. 경사에 따라서는 경사도가 증가할수록 증가하였으며 $10\% 경사일 때를 기준으로 $Ro(mm)=Ro_{10}{\times}0.797{\times}e^{-0.021s(\%)}$로 나타났다.천성 승모판 폐쇄 부전등을 초래하는 심각한 선천성 심질환이다. 그러나 진단 즉시 직접 좌관상동맥-대동맥 이식술로 수술적 교정을 해줌으로써 좋은 성적을 기대할 수 있음을 보여주

• Journal of Korea Water Resources Association
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• v.44 no.9
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• pp.753-763
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• 2011

Allocated water storage of dam at the planning and design stage does not seem to be maintained well at the operation stage because of unexpected critical reasons. A dam is likely to be subject to negative effects caused by changes of dam operation conditions and it is hardly avoidable. Therefore, it must be timely improved to recover its original functions and looked for better alternatives to keep its original roles. Specifically the improper management of river condition degrades flood control capability in a dam and river eco-system. The dam downstream river improvement work is needed for normalizing dam functions and its valuations. This study focuses on estimating water use benefits from recovering its own effective storage buffer restricted for flood control. As the results, the water supply and the hydropower benefits in Imha, Daechung and Youngdam Dam are recovered totally by 19.9 million $m^3$/year and 20.8 GWh/year respectively. Also those results are used for the basic information of the economic analysis in the dam downstream river improvement work.

• Journal of the Korea Organic Resources Recycling Association
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• v.27 no.2
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• pp.5-12
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• 2019

The study is carried out to survey the proper management and to propose an eco - friendly separation system through efficient screening and resource recovery of excavated materials containing waste from various excavating fields such as reconstruction of landfill sites for reuse, reclamation of unsanitary landfill and residential land development of waste dumping sites. The current status and screening process and analytical characteristics of the excavated materials containing waste were reviewed. Through the analysis of the samples such as separated combustibles, recyclable soils and residues collected from the on-site visits we were able to understand the characteristics of separated materials and excavated materials containing waste such as calorific value, elementary composition, TOC, foreign material content and LOI. It has been found that elimination of the moisture of excavations, removal of attached soil from the surfaces of the excavated combustibles and the quantitative supply method of the input devices are the main operating factors as essential factors for the optimal separation of excavated materials containing waste. For efficient management and recycling of excavated materials containing, it is necessary to set criteria of ash content in separated combustibles and criteria organic matter content in separated soils.

• Spatial Information Research
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• v.20 no.1
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• pp.47-57
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• 2012

An Administrative Boundary is the basic of spatial information to cover geographical and regional area. Its importance has arisen in our society at the Smart world era. However, it is difficult to serve exact boundary's lines as administrative boundaries are based on the cadastre lines of land register ; these partly are overlay each other or has gaps. So, it Should be adjusted. But, the maintenance work of administration boundaries causes a conflict or confusion unless we offer concrete procedures and detailed plans previously. Therefore, a rational method is required to prevent side-effects such as confusion, disagreem ent and a conflict etc. In this Study, we present a method and 5 step procedures to make better use in a practical maintenance work. we researched on basic studies of Administrative boundary's concept, history. And we performed a field survey as well as analysis of current problems. considering these results, we suggest usage of various spatial data sources, stake-holders' participation, a method of Nearest district's boundaries to maintain administrative boundaries. Throughout the method, we expect it to serve correct boundary-data to various fields without a big confusion. it is also useful to apply its results not only for re-surveying our land but for recording appropriate boundary-data as rational lines.

• Journal of the Korean Society of Marine Environment & Safety
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• v.23 no.6
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• pp.710-718
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• 2017

After Typhoon Chaba (No.18, 2016) collided with Manseongri Beach, a coastal improvement project was carried out since strong external forces such as waves, storm surges and wave-induced currents were observed to cause beach deformation. The shoreline, beach area and beach volume were periodically surveyed. On the basis of this field data, the beach deformation that occurred at Manseongri Beach has been formally described. Over three months after beach nourishment work began, the beaches were gradually stabilized in terms of natural external forces. However, this stabilization was interrupted by Typhoon Chaba. After two months of typhoon weather, the beach returned to a stable state and no changes were observed until one year after the beach recovery work. Just after the typhoon hit, the shoreline receded from the northern side, where no reduction of external forces occurred, while the rear beach area submerged by breakwater advanced. Also, the beach volume decreased by $3,395m^3$ after the typhoon, due to erosion that occurred on the northern beach, with deposition taking place on the southern backshore area. Therefore, it has been concluded that the coastal improvement project undertaken at Manseongri Beach has significantly contributed to conservation in areas of wave-dominant sediment transport.

• The Journal of the Korea Contents Association
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• v.11 no.7
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• pp.508-518
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• 2011

In various urban renewal projects related to real estate, developer in order to conduct the business, must get real estate inside project section directly or receive the consent for project from the owners. It must be carried out by consultation. When it fails, developer, in order to get ownership, adopts 'the Right of Claim for the sale' which has forcibleness. However, because the procedure for implementation of the right of claim for the sale is not clear, conflict between stakeholders is caused and it causes extension of period. Therefore, after examining judgments and references of judicial power for administrative litigation of the Right of Claim for the sale, by researching stakeholders of the housing rebuilding project and based on the results, finding out differences of stakeholders' recognition according to their position and problems of exercising procedure of the Right of Claim for the sale, and by presenting improvement plans of the system of the Right of Claim for the sale, contributing the success of the housing rebuilding project is the purpose of it.

• Proceedings of the Korea Society for Industrial Systems Conference
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• 2000.11a
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• pp.787-791
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• 2000

최근 들어 인터넷 보급이 폭발적인 증가를 보이면서 인터넷 비즈니스(Internet Business) 또는 전자 상거래(EC : Electronic Commerce)에 대한 관심이 급속도로 확산되고 있다. 외국은 물론 대부분의 국내 대기업과 중ㆍ소기업에서는 사운을 내걸고 인터넷 비즈니스 시스템(IBS : Internet Business System)에 대한 투자를 감행하고 있으며, 또한 수많은 개인 업자(SOHO)들도 인터넷 비즈니스(IB)를 통하여 창의적인 신규 사업에 뛰어들고 있는 실정이다. 이러한 인터넷 비즈니스(IB)는 고객에게 가치 있는 무엇인가를 제공해 줄 수 있어야하며, 그 대가를 인터넷을 통해 보상받을 수도 있어야 한다. 이러한 원리 속에서 인터넷은 경제적, 기술적인 도약을 통해 급속도로 확산되리라는 것이 전문가들의 공통적인 전망이다. 또한, web을 통한 자동차 정비업소 경영 정보관리 시스템과 같은 ASP(Application Service Provider)에 많은 관심이 쏠리고 있다 본 연구는 중소 업체를 향한 인터넷 이용 경영 정보관리 시스템이 현재는 미약한 실정임을 파악, 이런 시대적 요구사항과 필요성에 의해 Web을 이용한 자동차 정비업소 경영 정보 시스템을 개발한다.

• Journal of Cadastre & Land InformatiX
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• v.53 no.2
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• pp.39-52
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• 2023

Cadastral maps are important official documents that affect property rights and have experienced issues due to over 100 years of usage. The accuracy of these old cadastral maps has decreased due to damage, wear, and the accumulation of errors during the rewriting process. These errors have persisted into the digitalization process, creating difficulties in map management. A nationwide project to revise cadastral and forest maps is underway, but there are technical and legal challenges in making corrections. This study addresses the technical aspects of map maintenance and proposes a method to reduce errors and improve maintenance rates by preceding with boundary adjustments. The results show that by preceding with boundary adjustments, the average distance discrepancy decreases from 22.56cm to 8.12cm, and the maintenance rate increases by more than 10%.

• Journal of the Korean Society of Propulsion Engineers
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• v.3 no.4
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• pp.104-108
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• 1999

Samsung Aerospace Ind., Ltd. (SSA) has been involved in gas turbine and turbomachinery businesses since 1980. An overview is given of its gas turbine overhaul, parts manufacturing, and industrial turbo machinery businesses. It is hoped that interested people will find the current status and capabilities of Korean gas turbine industry as represented by SSA's Gas Turbine & Turbomachinery Division.

• Proceedings of the Korea Contents Association Conference
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• 2008.05a
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• pp.453-457
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• 2008

In this study, we suggested the specifical DB construction that was classified by Urban Regeneration Project through reviewing act related the Urban Regeneration. The DB of Urban Regeneration will be helpful for assisting and managing of Urban Regeneration Project. For this, we examined act & plan for the urban regeneration and deduced the demanded index of the project, in the result, we suggested DB build method. We expect that support and management for urban regeneration through presented index in this study.